When to Plant Violets in Windsor Heights, IA

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to determine when it's possible to plant violets by reviewing the USDA zone info for Windsor Heights.


Planting Calendar for Violets

Frost tolerance for violets: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Violets are moderately cold tolerant which tells us that you can get them planted earlier than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant violets
Possibly ok, but a risky time to plant violets
Probably not a good time to plant violets

The earliest that you can plant violets in Windsor Heights is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant violets and expect a good harvest is probably September. You probably don't want to wait any later than that or else your violets may not have a chance to really do well. Starting your violets indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Windsor Heights. In the coldest months of winter you should expect an average low temperature of 5°F.

Always keep in mind that USDA zone info for Windsor Heights is just an average and the actual date of last frost will vary from year to year. Half of the time in Windsor Heights you get surprised by a frost after April 15 so always be ready to protect your violets in the event of one of those late frosts.

USDA Zone Info for Windsor Heights

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low5°F
Highest Expected Low10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Windsor Heights

You may be interested in your other planting guides for Windsor Heights.